just putting some future update notes here, as I edit the sheet in the background, before I eventually update it here too.
added some Billy Howerdel notes for additional context
(in January or March 97 Robin Finck was approached, but he only joined in April 97, officially announced May 22nd 1997, brought Billy Howerdel in as engineer soon after)
(Matt Sorum left for good Mar/April 97, Chris Vrenna auditioned April 97, Dave Abbruzzese auditioning May 1997, Joey Castillo joined for summer 97 to August 97)
(Duff left in August 97, Billy Howerdel was handling studio bass before Tommy Stinson joined)
(...)
(Robin Finck left in August 1999, some of his parts were partly removed, replacements were considered - Dave Navarro, Stevie Salas, Zim Zum, Nick Nolan)
(Billy Howerdel left in September 1999)